Development of the thyroid gland, light micrograph

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Development of the thyroid gland, light micrograph. The thyroid is formed from a primitive evagination of the floor of the mouth. This image shows this endodermal evagination at centre, emerging from the dorsal surface of the tongue in a 17-day-old rat embryo.

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Photo credit: © JOSE CALVO / SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, anatomical, anatomy, biological, biology, body, cell, cells, colloid, cuboidal, endocrine, endocrinology, epithelial, follicle, gland, healthy, histological, histology, hormonal, hormone, hormones, human, light, lm, micrograph, microscope, microscopy, normal, secretion, system, thyroid